I pulled copies from Clem's recommendation,
The DWB distribution from the Toolkit is not around to
my knowledge, but:
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V8/usr/src/cmd look
for the
diction and style directories, which should be close.
I got them to compile with modern C. Then I found that FSF has their own
rewrites.https://www.gnu.org/software/diction/ It's only three years old,
not 30. :)
Just FYI.